括号提问 tom eats lunch (at 12:00)

括号提问 tom eats lunch (at 12:00)
括号提问 tom eats lunch (at 12:00)

括号提问 tom eats lunch (at 12:00)
when does tom eat lunch?

括号里面的是时间，所以是就时间来提问，用疑问词when
答案：When does Tom eat lunch?